The power end :The frame is weldedsteel-plateconstruction. It is stress-relieved after welding.
动力端：壳体为钢板焊接结构，焊后消除内应力。
2
YKK Series high voltage(6kV or 10kV) induction motors has the box-type construction, which was made up of steelplatewelded with each other, lightweight and good stiffness.